package com.itheima.controller;

import com.alibaba.dubbo.config.annotation.Reference;
import com.alibaba.fastjson.JSON;
import com.itheima.constant.MessageConstant;
import com.itheima.entity.Result;
import com.itheima.pojo.CheckGroup;
import com.itheima.pojo.CheckItem;
import com.itheima.pojo.Member;
import com.itheima.pojo.Setmeal;
import com.itheima.service.MemberService;
import com.itheima.service.ReportService;
import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.math.BigDecimal;
import java.time.LocalDate;
import java.util.*;

@RestController
@RequestMapping("/report")
public class ReportController {
    @Reference
    private MemberService memberService;
    @Reference
    private ReportService reportService;
    @RequestMapping("/getMemberReport")
    public Result getMemberReport(){
        try {
            Map<String,Object> map= reportService.getMemberReport();
            return new Result(true, MessageConstant.GET_MEMBER_NUMBER_REPORT_SUCCESS,map);
        }catch (Exception e){
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_MEMBER_NUMBER_REPORT_FAIL);
        }
    }
    @RequestMapping("/getSetmealReport")
    public Result getSetmealReport(){
        try {
            Map<String, Object> map = reportService.getSetmealReport();
            return new Result(true, MessageConstant.GET_SETMEAL_COUNT_REPORT_SUCCESS,map);
        }catch (Exception e){
            e.printStackTrace();
            return new Result(false, MessageConstant.GET_SETMEAL_COUNT_REPORT_FAIL);
        }
    }
    @RequestMapping("/getBusinessReportData")
    public Result getBusinessReportData(){
        try {
            Map<String, Object> map = reportService.getBusinessReportData();
            return new Result(true,MessageConstant.GET_BUSINESS_REPORT_SUCCESS,map);
        }catch (Exception e){
            e.printStackTrace();
            return new Result(false,MessageConstant.GET_BUSINESS_REPORT_FAIL);
        }

    }
    @RequestMapping("/exportBusinessReport")
    public void exportBusinessReport(HttpServletRequest request, HttpServletResponse response){
        try {
            Map<String, Object> result = reportService.getBusinessReportData();
            // 获取报表数据
            //取出返回结果数据，准备将报表数据写入到Excel文件中
            String reportDate = (String) result.get("reportDate");
            Integer todayNewMember = (Integer) result.get("todayNewMember");
            Integer totalMember = (Integer) result.get("totalMember");
            Integer thisWeekNewMember = (Integer) result.get("thisWeekNewMember");
            Integer thisMonthNewMember = (Integer) result.get("thisMonthNewMember");
            Integer todayOrderNumber = (Integer) result.get("todayOrderNumber");
            Integer thisWeekOrderNumber = (Integer) result.get("thisWeekOrderNumber");
            Integer thisMonthOrderNumber = (Integer) result.get("thisMonthOrderNumber");
            Integer todayVisitsNumber = (Integer) result.get("todayVisitsNumber");
            Integer thisWeekVisitsNumber = (Integer) result.get("thisWeekVisitsNumber");
            Integer thisMonthVisitsNumber = (Integer)
                    result.get("thisMonthVisitsNumber");
            List<Map> hotSetmeal = (List<Map>) result.get("hotSetmeal");
            //获得Excel模板文件绝对路径
            String filePath = request.getSession().getServletContext().getRealPath("template") +
                            File.separator +
                            "report_template.xlsx";
            //获取工作簿
            XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            // 工作表
            XSSFSheet sheet = workbook.getSheetAt(0);
            XSSFRow row = sheet.getRow(2);
            row.getCell(5).setCellValue(reportDate);//日期
            row = sheet.getRow(4);
            row.getCell(5).setCellValue(todayNewMember);//新增会员数（本日）
            row.getCell(7).setCellValue(totalMember);//总会员数
            row = sheet.getRow(5);
            row.getCell(5).setCellValue(thisWeekNewMember);//本周新增会员数
            row.getCell(7).setCellValue(thisMonthNewMember);//本月新增会员数
            row = sheet.getRow(7);
            row.getCell(5).setCellValue(todayOrderNumber);//今日预约数
            row.getCell(7).setCellValue(todayVisitsNumber);//今日到诊数
            row = sheet.getRow(8);
            row.getCell(5).setCellValue(thisWeekOrderNumber);//本周预约数
            row.getCell(7).setCellValue(thisWeekVisitsNumber);//本周到诊数
            row = sheet.getRow(9);
            row.getCell(5).setCellValue(thisMonthOrderNumber);//本月预约数
            row.getCell(7).setCellValue(thisMonthVisitsNumber);//本月到诊数
            int rowNum = 12;
            for (Map map : hotSetmeal) {
                int lastRowNum = sheet.getLastRowNum();
                if (rowNum>sheet.getLastRowNum()){
                    XSSFRow row1 = sheet.createRow(rowNum);
                    row1.createCell(4);
                    row1.createCell(5);
                    row1.createCell(6);
                }
                //热门套餐
                String name = (String) map.get("name");
                Long setmeal_count = (Long) map.get("setmeal_count");
                BigDecimal proportion = (BigDecimal) map.get("proportion");
                row = sheet.getRow(rowNum ++);
                row.getCell(4).setCellValue(name);//套餐名称
                row.getCell(5).setCellValue(setmeal_count);//预约数量
                row.getCell(6).setCellValue(proportion.doubleValue());//占比


            }
            System.out.println();
            //使用输出流进行表格下载,基于浏览器作为客户端下载
            OutputStream out = response.getOutputStream();
            response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型
            response.setHeader("content-Disposition", "attachment;filename=report.xlsx");//指定以附件形式进行下载
            workbook.write(out);

            out.flush();
            out.close();
            workbook.close();
        } catch (Exception e) {
            e.printStackTrace();
        }

    }
    // 批量导出会员信息
    @RequestMapping("/exportMemberExcel")
    public void exportMemberExcel(@RequestBody List<Member> list ,HttpServletRequest request, HttpServletResponse response){
        System.out.println("hello");
//        Member byPhone = memberService.findByPhone("13345551513");
//         = new ArrayList<>();
//        list.add(byPhone);
        try {
            // 获取会员信息map数据
            Map<Member, List<Setmeal>>  result = reportService.exportMemberExcel(list);
            Set<Member> members = result.keySet();
            //获得Excel模板文件绝对路径
            String filePath = request.getSession().getServletContext().getRealPath("template") +
                    File.separator +
                    "member_setmealDetail.xlsx";
            //获取工作簿
            XSSFWorkbook workbook = new XSSFWorkbook(new FileInputStream(new File(filePath)));
            // 工作表
            XSSFSheet sheet = workbook.getSheetAt(0);
            //填充数据
            int i=1;
            for (Member member : members) {
                List<Setmeal> setmealList = result.get(member);
                for (Setmeal setmeal : setmealList) {
                    XSSFRow row = sheet.createRow(i++);
//                    XSSFRow row = sheet.getRow(i++);
                    row.createCell(0).setCellValue(member.getName());//姓名
                    row.createCell(1).setCellValue(member.getSex());//性别
                    row.createCell(2).setCellValue(member.getPhoneNumber());//手机号
                    row.createCell(3).setCellValue("机构地址");//机构地址
                    // 套餐信息
                    row.createCell(4).setCellValue(setmeal.getName());//套餐
                    String checkGroupStr="";//检查组字符串
                    String checkItemsStr="";//检查项字符串
                    //检查组集合
                    List<CheckGroup> checkGroups = setmeal.getCheckGroups();
                    for (CheckGroup checkGroup : checkGroups) {
                        checkGroupStr+=(checkGroup.getName()+"  ");
                        List<CheckItem> checkItems = checkGroup.getCheckItems();
                        for (CheckItem checkItem : checkItems) {
                            checkItemsStr+=(checkItem.getName()+"  ");
                        }
                    }
                    row.createCell(5).setCellValue(checkGroupStr);//检查组
                    row.createCell(6).setCellValue(checkItemsStr);//检查项
                }

            }
//            response.setContentType("application/octet-stream");
//            response.setCharacterEncoding("UTF-8");
            // 获取输出流
            OutputStream out = response.getOutputStream();
            //使用输出流进行表格下载,基于浏览器作为客户端下载
            response.setHeader("Access-Control-Expose-Headers","Content-Disposition");
            response.setContentType("application/vnd.ms-excel");//代表的是Excel文件类型
            //指定以附件形式进行下载,文件名是固定的memberReport.xlsx
            response.setHeader("Content-Disposition", "attachment;filename=memberReport.xlsx");
            //写出文件
            workbook.write(out);
            out.flush();
            out.close();
            workbook.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }


}
